Fletcher, H. (1953). Speech and hearing in communication. Van Nostrand.
Cita Chicago (17th ed.)Fletcher, Harvey. Speech and Hearing in Communication. Princeton, N.J: Van Nostrand, 1953.
Cita MLA (9th ed.)Fletcher, Harvey. Speech and Hearing in Communication. Van Nostrand, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.